<template>
    <div>
        
    </div>
    <div>身体</div>
    <div>内容</div>
</template>

<style>
body {
    margin: 0;
    padding: 0;
    background-color: darkgray;
    display: flex;
    width: 100%; 
    min-height: 100vh;  

}
</style>